[FFmpeg-cvslog] avformat/mpegts: resync from the smallest packet size on

Michael Niedermayer git at videolan.org
Sun Aug 18 23:28:50 CEST 2013


ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sun Aug 18 22:59:04 2013 +0200| [d73cbc22c5f2c305838d9867538cf4ad59c4035f] | committer: Michael Niedermayer

avformat/mpegts: resync from the smallest packet size on

This avoids the loss of a packet in many cases if the packet size was wrong.
It also improves detection of packet size changes

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d73cbc22c5f2c305838d9867538cf4ad59c4035f
---

 libavformat/mpegts.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c
index db564b3..c641794 100644
--- a/libavformat/mpegts.c
+++ b/libavformat/mpegts.c
@@ -1974,7 +1974,7 @@ static int read_packet(AVFormatContext *s, uint8_t *buf, int raw_packet_size, co
         /* check packet sync byte */
         if ((*data)[0] != 0x47) {
             /* find a new packet start */
-            avio_seek(pb, -TS_PACKET_SIZE, SEEK_CUR);
+            avio_seek(pb, -raw_packet_size, SEEK_CUR);
             if (mpegts_resync(s) < 0)
                 return AVERROR(EAGAIN);
             else



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